When to get maternity pics?

Brittany • Mommy to a wonderful 12yr old boy, 9yr old boy 7yr old girl 6yr old girl and 3yr old girl. Due March 11th 2023 with a boy.
How far along should you be to get pics done. I know now isn't good since I'm not to big, but would around 30weeks be good or should
I wait til I'm bigger? I don't want to feel like shamoo in them.